Granted Patent
Utility
US 5,725,148 · App. 08/586,337
Individual workspace environmental control
Inventor:
Thomas B. Hartman
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Jan 16, 1996
Inventor
Thomas B. Hartman
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.